Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 3, Issue 32, Pages 16435-16439Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta04001a
Keywords
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Funding
- National Natural Science Foundation of China [U1201241, 11375020, 51431001, 21321001]
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Pyrolysis of a Ni based metal organic framework in NH3 yields Ni nanoparticles with surface nitridation together with thin carbon coating layers. The subtle surface modification significantly improves the catalytic performance for the hydrogen evolution reaction (HER). The surface modified Ni nanoparticles show a low overpotential of only 88 mV at a current density of 20 mA cm(-2), which is one of the most efficient HER catalysts based on metallic Ni reported so far. The results suggest that controlled pyrolysis of MOFs is an effective method to prepare highly efficient noble metal free HER catalysts.
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